A porter lifts a luggage of 15 kg from the ground and puts it on his head 1.5 m above the ground. Calculate the work done by him on the luggage.

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Solution

W=mgh=15101.5=225 J

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A porter lifts a luggage of 15 kg from the ground and puts it on his head 1.5 m above the ground. Calculate the work done by him on the luggage.

W=mgh=15*10*1.5=225 J

W=mgh=15101.5=225 J